wella developer

Listings show the following sizes: 15.4 oz, 32 oz (labeled “32 OZ XXL LITER”), 33 oz (listed as “33 oz liter”), and 33.8 oz (liter).

They’re offered primarily as cream developers (many listings state “Product Form: Cream”), with at least one clear/liquid developer also shown.

Product descriptions commonly label the developers “professional‑grade” and explicitly state they’re suitable for both professional stylists and at‑home users.

Emulsion‑style developers listed at 13 Volume (4%) and 6 Volume (1.9%) are described as ammonia‑free in the product details.

Processing times shown in the descriptions are typically 30 minutes or 35 minutes.

Most listings explicitly state the developers are suitable for “All Hair Types.”

Descriptions show both direct bottle application and brush‑and‑bowl (brush & bowl) application methods.